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有人請幫助我嗎？我有8個CheckBoxPreference和一個ListPreference &我似乎無法讓他們設置一個默認值。圍封是我的preferences.xml，string.xml & Preference.java設置默認的CheckBoxPreference和ListPreference
Preference.xml
<PreferenceScreenxmlns:android="http://schemas.android.com/apk/res/android">
<!-- Setting Preferences for FIRST Character on PASSWORD GENERATOR -->
<PreferenceCategory android:title="@string/first_cat_pref_title"
android:key="@string/first_cat_pref_key" >
<CheckBoxPreference android:title="@string/pref_first_char_num_title"
android:defaultValue="@string/pref_first_char_num_default"
android:summary="@string/pref_first_char_num_summary"
android:key="@string/pref_first_char_num_key" />
<CheckBoxPreference android:title="@string/pref_first_char_lc_title"
android:defaultValue="@string/pref_first_char_lc_default"
android:summary="@string/pref_first_char_lc_summary"
android:key="@string/pref_first_char_lc_key" />
<CheckBoxPreference android:title="@string/pref_first_char_uc_title"
android:defaultValue="@string/pref_first_char_uc_default"
android:summary="@string/pref_first_char_uc_summary"
android:key="@string/pref_first_char_uc_key" />
<CheckBoxPreference android:title="@string/pref_first_char_other_title"
android:defaultValue="@string/pref_first_char_other_default"
android:summary="@string/pref_first_char_other_summary"
android:key="@string/pref_first_char_other_key" />
</PreferenceCategory>
<!-- Setting Preferences for Second Character on -->
<PreferenceCategory android:title="@string/sec_cat_pref_title"
android:key="@string/sec_cat_pref_key">
<CheckBoxPreference android:title="@string/pref_second_char_num_title"
android:defaultValue="@string/pref_second_char_num_default"
android:summary="@string/pref_second_char_num_summary"
android:key="@string/pref_second_char_num_title" />
<CheckBoxPreference android:title="@string/pref_second_char_lc_title"
android:defaultValue="@string/pref_second_char_lc_default"
android:summary="@string/pref_second_char_lc_summary"
android:key="@string/pref_second_char_lc_key" />
<CheckBoxPreference android:title="@string/pref_second_char_uc_title"
android:defaultValue="@string/pref_second_char_uc_default"
android:summary="@string/pref_second_char_uc_summary"
android:key="@string/pref_second_char_uc_key" />
<CheckBoxPreference android:title="@string/pref_second_char_other_title"
android:defaultValue="@string/pref_second_char_other_default"
android:summary="@string/pref_second_char_other_summary"
android:key="@string/pref_second_char_other_key" />
</PreferenceCategory>
<!-- Third Preference Setting Length -->
<PreferenceCategory android:title="@string/third_cat_pref_title"
android:key="@string/third_cat_pref_key" >
<ListPreference android:key="PGCharCountValue" android:title="@string/pg_char_count_title"
android:summary="@string/pg_char_count_summary" android:defaultValue="8"
android:entries="@array/PGCharCount"
android:entryValues="@array/PGCharCountValue" />
</PreferenceCategory>
</PreferenceScreen>
string.xml
<!-- Preferences/Settings -->
<string name="menu_settings">Settings</string>
<!-- First category -->
<string name="first_cat_pref_title">First Character Preferences</string>
<string name="first_cat_pref_key">First_Char_Pref</string>
<!-- FIRST character FIRST check box Preferences -->
<string name="pref_first_char_num_title">1ST Character Number</string>
<string name="pref_first_char_num_default">true</string>
<string name="pref_first_char_num_summary">Sets character possible for Number</string>
<string name="pref_first_char_num_key">First_Char_Num</string>
<!-- FIRST character SECOND check box Preferences -->
<string name="pref_first_char_lc_title">1ST Character Lower</string>
<string name="pref_first_char_lc_default">true</string>
<string name="pref_first_char_lc_summary">Sets character possible for Lower</string>
<string name="pref_first_char_lc_key">First_Char_Lower</string>
<!-- FIRST character THIRD check box Preferences -->
<string name="pref_first_char_uc_title">1ST Character Upper</string>
<string name="pref_first_char_uc_default">true</string>
<string name="pref_first_char_uc_summary">Sets character possible for Upper</string>
<string name="pref_first_char_uc_key">First_Char_Lower</string>
<!-- FIRST character FOURTH check box Preferences -->
<string name="pref_first_char_other_title">1ST Character Other</string>
<string name="pref_first_char_other_default">false</string>
<string name="pref_first_char_other_summary">Sets character possible for Other</string>
<string name="pref_first_char_other_key">First_Char_Lower</string>
<!-- Second category -->
<string name="sec_cat_pref_title">2ND Character Preferences</string>
<string name="sec_cat_pref_key">Second_Char_Pref</string>
<!-- FIRST character FIRST check box Preferences -->
<string name="pref_second_char_num_title">2ND Character Number</string>
<string name="pref_second_char_num_default">true</string>
<string name="pref_second_char_num_summary">Sets character possible for Number</string>
<string name="pref_second_char_num_key">Second_Char_Num</string>
<!-- FIRST character SECOND check box Preferences -->
<string name="pref_second_char_lc_title">2ND Character Lower</string>
<string name="pref_second_char_lc_default">true</string>
<string name="pref_second_char_lc_summary">Sets character possible for Lower</string>
<string name="pref_second_char_lc_key">Second_Char_Lower</string>
<!-- FIRST character THIRD check box Preferences -->
<string name="pref_second_char_uc_title">2ND Character Upper</string>
<string name="pref_second_char_uc_default">true</string>
<string name="pref_second_char_uc_summary">Sets character possible for Upper</string>
<string name="pref_second_char_uc_key">Second_Char_Lower</string>
<!-- FIRST character FOURTH check box Preferences -->
<string name="pref_second_char_other_title">2ND Character Other</string>
<string name="pref_second_char_other_default">false</string>
<string name="pref_second_char_other_summary">Sets character possible for Other</string>
<string name="pref_second_char_other_key">Second_Char_Lower</string>
<!-- Set Default Password Count -->
<string name="third_cat_pref_title">Password length</string>
<string name="third_cat_pref_key">pswd_cnt_length</string>
<string name="pg_char_count_title">Default Password Length</string>
<string name="pg_char_count_summary">Default Characters count for Password</string>
<!-- Stop Default Char Count Password -->
Preference.java
package com.m4ltech.PasswordGenerator;
import android.os.Bundle;
import android.content.SharedPreferences;
import android.preference.CheckBoxPreference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;
public class PGPreferences extends PreferenceActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.pswd_preferences);
PreferenceManager.setDefaultValues(this, R.xml.pswd_preferences, false);
/** I have tried*/
sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
boolean autoStart = sharedPreferences.getBoolean("pref_first_char_other_key", true);
/** I have tried */
boolean CheckboxPreference
private void getPrefs() {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
CheckboxPreference = prefs.getBoolean("pref_first_char_other_key", true);
}
}
似乎沒什麼要工作？